6 720 644 942 (2014/11)
520 HN
10 | Appliance details
3.4
Dimensions and installation clearances
Fig. 3
Dimensions in Inches and (mm)
[4]
Heat exchanger
[5]
Burner
[10] Flow control knob
[11] Water valve
[20] Gas connection
[23] Ignition unit
[26] Power adjustment knob
[34] LED indicator for burner status
[35] On/Off switch
[36] Front cover
[37] Mounting holes
[38] Exhaust pipe union
[39] Draft diverter with flue gas sensor
[40] Gas valve
39
38
4
5
23
11
40
H
6720608036-01.2Av
8,66" (220)
E
F
G
4,92"(125)
D
2,50" (63.5)
1,97"
(50)
3,82"
(97)
A
B
37
10
26
35
34
20
36
C
Dimensions
inches (mm)
520 HN
A
B
C
D
E
F
G
H
16.73”
(425)
25.75”
(655)
13.15”
(334)
5.11” (130)
21.25”
(540)
2.55” (65)
1.18” (30)
3/4”
Table 3 Dimensions in inches (mm)
Summary of Contents for 520-HN -L
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